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From his voyages , amerigo deduced that columbus had found a new continent .

通过他自己的航行，美利哥推断，哥伦布发现的是一片新大陆。

Ms gillard claimed the malaysia deal was designed to thwart people-smugglers , and to deter people from dangerous sea voyages .

吉拉德夫人声明与马来西亚的交换协议是为了打击人口贩子并阻止人们在危险的海域里航行。

Many more voyages of discovery are also needed , especially in the vast expanses of the southern seas that remain relatively unexplored .

也需要更多的探索性的航行，特别是在广袤的南部海域，那里仍然有很多相对的未知数。

His successful voyages showed what great advances had been made .

他的航行成功说明航海业又前进了一大步。

But the first concerted efforts to produce drinking water from seawater were not until the 16th century , when european explorers on long sea voyages began installing simple desalting equipment on their ships for emergency use .

但直到16世纪人们才开始一致努力从海水中提取淡水，当时欧洲探险家在进行漫长的航海旅行时，开始在船上安装简易淡化装置，以备不时之需。